.zhutu{
	width: 700px;
	height: 400px;
	margin: 0 auto;
}

.xqtu{
	width: 700px;
	height: 320px;
	margin: 0 auto;
}

.sgtext{
	width: 700px;
	height:100px;
	border:  solid 1px #ccc;
	margin: 0 auto;
}
.sgspec{
	width: 700px;
	height:100px;
	border:  solid 1px #ccc;
	margin-top: 20px;
	margin-left: 312px
}